The Audirect ATOM4 Portable DAC & AMP is a high-performance audio solution designed for audiophiles and professionals. Equipped with dual RT6863C high-current operational amplifiers and an ESS9281AC PRO decoding chip, it delivers exceptional power output, deep bass, and superior audio separation. Supporting PCM decoding up to 32-bit/768kHz, it ensures true lossless, high-fidelity sound. The ATOM4 features both 3.5mm single-ended and 4.4mm balanced headphone outputs, providing seamless compatibility with a wide range of IEMs and high-impedance headphones. With independent analog and digital power domains, it minimizes interference and distortion for a cleaner audio experience. Its compact and portable design makes it perfect for on-the-go use, while USB-C connectivity ensures effortless plug-and-play compatibility with smartphones, tablets, laptops, and gaming consoles.